Inventor

YOUNG III CHAPMAN

US6 patents

⚠️ This page may combine multiple inventors who share the name “YOUNG III CHAPMAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUNBURST EXCAVATION INC

2 patents

US5308149AMay 3, 1994

Non-explosive drill hole pressurization method and apparatus for controlled fragmentation of hard compact rock and concrete

SUNBURST EXCAVATION INC75 citations94

US5765923AJun 16, 1998

Cartridge for generating high-pressure gases in a drill hole

SUNBURST EXCAVATION INC56 citations91

(unassigned)

1 patent

US6375271B1Apr 23, 2002

Controlled foam injection method and means for fragmentation of hard compact rock and concrete

34 citations89

APPLIED GEODYNAMICS INC

1 patent

US6102484AAug 15, 2000

Controlled foam injection method and means for fragmentation of hard compact rock and concrete

APPLIED GEODYNAMICS INC33 citations87

YOUNG III CHAPMAN

1 patent

US4607792AAug 26, 1986

Oscillating pulsed jet generator

YOUNG III CHAPMAN20 citations76

CFI TECH INC

1 patent

US10895152B1Jan 19, 2021

Borehole sealing and improved foam properties for controlled foam injection (CFI) fragmentation of hard compact materials

CFI TECH INC5 citations58